B:=SUM(A,1)/SUM(VOL,1);
B1:=EMA(B,17);
基金:=(B-B 1)* 100/B;
DIFF:=EMA(基金,10)-EMA(基金,20);
DEA:=EMA(DIFF,6);
交叉(DEA,DIFF)和DIFF & gt0;